Etymology

treacher

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Today it means: A traitor or deceiver. Full definition →

Middle English trecher ← Old French trecheor
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The story

  1. Old French · derived fromtrecheor
  2. Middle English · inherited fromtrecher
  3. English todaytreacher

From Middle English trecher, from Old French trecheor (modern tricheur), from trechier, tricher (“to cheat, trick”). Compare English trick.

Etymology from Wiktionary, CC BY-SA 4.0.